factorize 27 (x+ y)^3 +8(2x - y)^3
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Step-by-step explanation:
27 (x+y)^3 +8(2x-y)^3
open the bracket
27x^3+27y^3+16x^3-8y^3
like terms one side , unlike terms other side
27x^3+16x^3+27y^3-8y^3
43x^3+19y^3